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Installation and User Manual
2 — 786-133060-00 A00
2.5 Remote External Maintenance Bypass Cabinet
350A and 1200A (See Figure 2-5)
Refer to “Installation Instructions” 90-133056-01 for detailed information about 350A cabinet.
Refer to Installation drawing 90-133077-00 for detailed information about 1200A cabinet.
If your installation is custom designed, a separate installation drawing may apply to your system.
All external wiring are provided and installed by the user.
Transfer instructions can be found in front of the cabinet including the proper operation of the kick key interlock.
Figure 2-5: 350A and 1200A Maintenance Bypass Cabinet.
1200A
NEURTRAL
(NOT SHOWN)
CRITICAL LOAD
DISPLAY METER
T1
MAINTENANCE
BYPASS
GROUND
REMOVABLE
PANELS
FOR POWER
CONDUIT ENTRY
SEISMIC
MOUNTING
CUTOUTS
SEISMIC HOLE
LOCATION
FORKLIFT OPENINGS
(LEFT & RIGHT
SIDE TYPICAL)
MULTI CIRCUIT
MONITOR BOARD
MULTI CIRCUIT
MONITOR BOARD
F1, F2
F3 TO F8
TRANSFER INITIATE (SI)
ELECTRIC INTERLOCK
(KA)
TB2
CB2
CB1
UPS OUTPUT
TB1
CONTROL WIRE
ROUTING
REMOVABLE PANEL
FOR CONTROL AND
POWER
CONDUIT ENTRY
F1, F2
TRANSFER
INITIATE (SI)
ELECTRIC
INTERLOCK
(KA)
350A
CRITICAL LOAD
TB1
MBP
TERMINALS
NEUTRAL
CB2
UPS ISOLATION
CB1
MAINTENANCE
BYPASS
UPS
TERMINALS
GROUND
System Setup